Home / 156,813.30-235,241.55-68,064.30

Finding the Fourth Proportional to 156,813.30, 235,241.55 and 68,064.30

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Solution

The fourth proportional to 156,813.30, 235,241.55 and 68,064.30 is: 102,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,813.30 : 235,241.55 = 68,064.30 : x
  2. Step 2: Convert to fraction form
    156,813.30/235,241.55 = 68,064.30/x
  3. Step 3: Cross multiply
    156,813.30x = 235,241.55 × 68,064.30
  4. Step 4: Simplify right side
    156,813.30x = 16,011,551,431.67
  5. Step 5: Solve for x
    x = 16,011,551,431.67/156,813.30
  6. Step 6: Final answer
    x = 102,105.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.